The equipment tests the initial Tack by short contact between steel ball and adhesive tape sample at a small pressure, adjustable tilt angle 0~ 60 °, rolling ball range 1/32 inch to 1 inch, suitable for a variety of material adhesion evaluation.
Adopting the test principle of inclined rolling ball method, the tilt angle adjustment range is 0~ 40 °, equipped with 32 GCr15 bearing steel balls, and the shape tolerance accuracy exceeds GB/T308 level 40 to achieve accurate initial Tack evaluation.
Adopting the principle of the inclined rolling ball method, the adhesion is measured by the short contact between the steel ball and the sample, the adjustment range of the tilt angle is 0-60 °, and the rolling ball of 1/32 to 1 inch is supported. The width of the test area is 80mm.
Adjustable tilt angle 0~ 40 °, the steel ball meets the standard of GB/T308 grade 40 or above, which is convenient for angle and position adjustment.
Pressure sensitive adhesive paste firmly, 65 ℃ single point temperature measurement accuracy, irreversible discoloration characteristics can permanently record the overtemperature state, circular design for easy observation, 2x2cm specification suitable for small space installation.
Using irreversible discoloration technology, temperature accuracy up to 120 ℃, circular 2x2cm size with Pressure sensitive adhesive firmly pasted, surface protective film to enhance durability, suitable for harsh Ambient Temperature Monitoring.
The irreversible discoloration feature ensures that the temperature record is permanently preserved, the 75 ° C accurate temperature measurement point is firmly pasted with the Pressure sensitive adhesive, the 2x2cm round design is easy to install and the protective film enhances the durability.
Irreversible discoloration design, temperature accuracy 50 ℃, circular single grid structure, specification 2x2cm, Pressure sensitive adhesive to ensure firm paste, suitable for temperature monitoring in harsh environments.
The circular stainless steel liner is used to prevent condensation and dripping, the copper tube bell mouth is designed with good air tightness and low water consumption, and the special high temperature foaming material improves the pressure life. It is equipped with a 16L large-capacity water Tank and an automatic water replenishment system.
It adopts copper ring and steel ball structure, supports 2-3.55 gram steel ball configuration, and accurately determines the softening temperature of the material through the drop distance of 25.4 mm, which is suitable for all kinds of asphalt experiment needs.
The total weight of steel ball load is 135 +/- 5g, and the test displacement is 30 +/- 1 °, which can automatically detect water permeability and stop counting, and support the simultaneous testing of 1 to 4 test pieces.
Impact performance of the reflective film can be accurately measured by using the principle of free fall of steel ball, steel ball mass 450 +/- 3g, drop 250mm, reasonable structure and simple operation, safe and reliable measurement.
Using irreversible discoloration technology, temperature point 60 ℃, specification 2x2cm circular design, with Pressure sensitive adhesive to ensure firm paste, over temperature display red, black and other Color changes.
Pressure sensitive adhesive paste, temperature point 70 ℃, specification 2x2cm, irreversible discoloration design, over temperature display a variety of Colors such as red, black, green or yellow, with protective film on the surface, suitable for harsh environments.
Suitable for a variety of Corrugated Board adhesive strength test, equipped with different specifications of steel needles, needle diaMeter range 1.0-3 mm, support A, B, C, E corrugated test, sample size 25 × 80mm.
